package code.rocky.chapter01;

import static java.lang.Math.PI;
import static java.lang.Math.abs;

public class Suggest10 {
    public static void main(String[] args) {
        demo1();
        demo2();
    }

    private static void demo1() {
        System.out.println("PI= " + PI);
        System.out.println("abs(100)=" + abs(100));
    }

    public static void demo2() {

        final   String PI = "祖冲之";

        System.out.println("PI= " + PI);
        System.out.println("abs(100)=" + abs1(100));
    }

    public static int abs1(int abs) {
        return 0;
    }
}
